Mercurial > projects > ddmd
annotate dmd/TypeEnum.d @ 192:eb38fdcb3e62 default tip
updated to compile with dmd2.062
| author | korDen |
|---|---|
| date | Sat, 02 Mar 2013 01:25:52 -0800 |
| parents | b0d41ff5e0df |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeEnum; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Type; |
| 5 import dmd.EnumDeclaration; | |
| 6 import dmd.Scope; | |
| 7 import dmd.Loc; | |
| 8 import dmd.Id; | |
| 9 import dmd.ErrorExp; | |
| 10 import dmd.Dsymbol; | |
| 11 import dmd.EnumMember; | |
| 12 import dmd.OutBuffer; | |
| 13 import dmd.HdrGenState; | |
| 14 import dmd.Expression; | |
| 15 import dmd.Identifier; | |
| 16 import dmd.MATCH; | |
| 17 import dmd.OutBuffer; | |
| 18 import dmd.CppMangleState; | |
| 156 | 19 import dmd.StringExp; |
| 0 | 20 import dmd.TypeInfoDeclaration; |
| 21 import dmd.TypeInfoEnumDeclaration; | |
| 22 import dmd.ArrayTypes; | |
| 23 import dmd.TY; | |
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24 import dmd.MOD; |
| 0 | 25 import dmd.Util; |
| 26 | |
| 27 import dmd.backend.TYPE; | |
| 28 | |
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29 import dmd.DDMDExtensions; |
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30 |
| 0 | 31 class TypeEnum : Type |
| 32 { | |
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33 mixin insertMemberExtension!(typeof(this)); |
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34 |
| 0 | 35 EnumDeclaration sym; |
| 36 | |
| 37 this(EnumDeclaration sym) | |
| 38 { | |
| 178 | 39 register(); |
| 0 | 40 super(TY.Tenum); |
| 41 this.sym = sym; | |
| 42 } | |
| 43 | |
| 72 | 44 override Type syntaxCopy() |
| 0 | 45 { |
| 46 assert(false); | |
| 47 } | |
| 48 | |
| 72 | 49 override ulong size(Loc loc) |
| 0 | 50 { |
| 51 if (!sym.memtype) | |
| 52 { | |
| 53 error(loc, "enum %s is forward referenced", sym.toChars()); | |
| 54 return 4; | |
| 55 } | |
| 56 return sym.memtype.size(loc); | |
| 57 } | |
| 58 | |
| 156 | 59 override uint alignsize() |
| 0 | 60 { |
| 156 | 61 if (!sym.memtype) |
| 62 { | |
| 63 debug writef("1: "); | |
| 64 | |
| 65 error(Loc(0), "enum %s is forward referenced", sym.toChars()); | |
| 66 return 4; | |
| 67 } | |
| 68 return sym.memtype.alignsize(); | |
| 0 | 69 } |
| 156 | 70 |
| 71 override string toChars() | |
| 0 | 72 { |
| 156 | 73 if (mod) |
| 74 return super.toChars(); | |
| 75 return sym.toChars(); | |
| 0 | 76 } |
| 77 | |
| 72 | 78 override Type semantic(Loc loc, Scope sc) |
| 0 | 79 { |
| 80 //printf("TypeEnum::semantic() %s\n", toChars()); | |
| 81 //sym.semantic(sc); | |
| 82 return merge(); | |
| 83 } | |
| 84 | |
| 72 | 85 override Dsymbol toDsymbol(Scope sc) |
| 0 | 86 { |
| 87 return sym; | |
| 88 } | |
| 89 | |
| 72 | 90 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 91 { |
| 92 string name = sym.mangle(); | |
| 93 Type.toDecoBuffer(buf, flag); | |
| 94 buf.printf("%s", name); | |
| 95 } | |
| 96 | |
| 72 | 97 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 98 { |
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99 if (mod != this.mod) |
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100 { |
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101 toCBuffer3(buf, hgs, mod); |
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102 return; |
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103 } |
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104 buf.writestring(sym.toChars()); |
| 0 | 105 } |
| 106 | |
| 72 | 107 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 108 { |
| 109 version (LOGDOTEXP) { | |
| 110 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e.toChars(), ident.toChars(), toChars()); | |
| 111 } | |
| 112 Dsymbol s = sym.search(e.loc, ident, 0); | |
| 113 if (!s) | |
| 114 { | |
| 115 if (ident is Id.max || | |
| 116 ident is Id.min || | |
| 117 ident is Id.init_ || | |
| 118 ident is Id.stringof_ || | |
| 119 !sym.memtype | |
| 120 ) | |
| 121 { | |
| 122 return getProperty(e.loc, ident); | |
| 123 } | |
| 124 | |
| 125 return sym.memtype.dotExp(sc, e, ident); | |
| 126 } | |
| 127 | |
| 128 EnumMember m = s.isEnumMember(); | |
| 129 Expression em = m.value.copy(); | |
| 130 em.loc = e.loc; | |
| 131 return em; | |
| 132 } | |
| 133 | |
| 156 | 134 override Expression getProperty(Loc loc, Identifier ident) |
| 0 | 135 { |
| 156 | 136 Expression e; |
| 137 | |
| 138 if (ident is Id.max) | |
| 139 { | |
| 140 if (!sym.maxval) | |
| 141 goto Lfwd; | |
| 142 e = sym.maxval; | |
| 143 } | |
| 144 else if (ident is Id.min) | |
| 145 { | |
| 146 if (!sym.minval) | |
| 147 goto Lfwd; | |
| 148 e = sym.minval; | |
| 149 } | |
| 150 else if (ident is Id.init_) | |
| 151 { | |
| 152 e = defaultInitLiteral(loc); | |
| 153 } | |
| 154 else if (ident is Id.stringof_) | |
| 155 { | |
| 156 string s = toChars(); | |
| 157 e = new StringExp(loc, s, 'c'); | |
| 158 Scope sc; | |
| 159 e = e.semantic(sc); | |
| 160 } | |
| 161 else if (ident is Id.mangleof_) | |
| 162 { | |
| 163 e = Type.getProperty(loc, ident); | |
| 164 } | |
| 165 else | |
| 166 { | |
| 167 e = toBasetype().getProperty(loc, ident); | |
| 168 } | |
| 169 return e; | |
| 170 | |
| 171 Lfwd: | |
| 172 error(loc, "forward reference of %s.%s", toChars(), ident.toChars()); | |
| 173 return new ErrorExp(); | |
| 0 | 174 } |
| 175 | |
| 72 | 176 override bool isintegral() |
| 0 | 177 { |
| 73 | 178 return sym.memtype.isintegral(); |
| 0 | 179 } |
| 180 | |
| 72 | 181 override bool isfloating() |
| 0 | 182 { |
| 73 | 183 return sym.memtype.isfloating(); |
| 184 } | |
| 185 | |
| 79 | 186 override bool isreal() |
| 73 | 187 { |
| 188 return sym.memtype.isreal(); | |
| 189 } | |
| 190 | |
| 79 | 191 override bool isimaginary() |
| 73 | 192 { |
| 193 return sym.memtype.isimaginary(); | |
| 194 } | |
| 195 | |
| 79 | 196 override bool iscomplex() |
| 73 | 197 { |
| 198 return sym.memtype.iscomplex(); | |
| 199 } | |
| 200 | |
| 79 | 201 override bool checkBoolean() |
| 73 | 202 { |
| 203 return sym.memtype.checkBoolean(); | |
| 204 } | |
| 205 | |
| 79 | 206 override bool isAssignable() |
| 73 | 207 { |
| 208 return sym.memtype.isAssignable(); | |
| 0 | 209 } |
| 210 | |
| 72 | 211 override bool isscalar() |
| 0 | 212 { |
| 73 | 213 return sym.memtype.isscalar(); |
| 0 | 214 } |
| 215 | |
| 72 | 216 override bool isunsigned() |
| 0 | 217 { |
| 218 return sym.memtype.isunsigned(); | |
| 219 } | |
| 220 | |
| 72 | 221 override MATCH implicitConvTo(Type to) |
| 0 | 222 { |
| 223 MATCH m; | |
| 224 | |
| 225 //printf("TypeEnum::implicitConvTo()\n"); | |
| 226 if (ty == to.ty && sym == (cast(TypeEnum)to).sym) | |
| 227 m = (mod == to.mod) ? MATCHexact : MATCHconst; | |
| 228 else if (sym.memtype.implicitConvTo(to)) | |
| 229 m = MATCHconvert; // match with conversions | |
| 230 else | |
| 231 m = MATCHnomatch; // no match | |
| 232 return m; | |
| 233 } | |
| 234 | |
| 72 | 235 override MATCH constConv(Type to) |
| 0 | 236 { |
| 135 | 237 if (equals(to)) |
| 238 return MATCHexact; | |
| 239 if (ty == to.ty && sym == (cast(TypeEnum)to).sym && | |
| 240 MODimplicitConv(mod, to.mod)) | |
| 241 return MATCHconst; | |
| 242 return MATCHnomatch; | |
| 0 | 243 } |
| 244 | |
| 72 | 245 override Type toBasetype() |
| 0 | 246 { |
| 135 | 247 if (sym.scope_) |
| 248 { | |
| 179 | 249 // Enum is forward referenced. We don't need to resolve the whole thing, |
| 250 // just the base type | |
| 251 if (sym.memtype) | |
| 252 { | |
| 253 sym.memtype = sym.memtype.semantic(sym.loc, sym.scope_); | |
| 254 } | |
| 255 else | |
| 256 { | |
| 257 if (!sym.isAnonymous()) | |
| 258 sym.memtype = Type.tint32; | |
| 259 } | |
| 135 | 260 } |
| 0 | 261 if (!sym.memtype) |
| 262 { | |
| 263 debug writef("2: "); | |
| 264 error(sym.loc, "enum %s is forward referenced", sym.toChars()); | |
| 265 return tint32; | |
| 266 } | |
| 267 | |
| 268 return sym.memtype.toBasetype(); | |
| 269 } | |
| 270 | |
| 72 | 271 override Expression defaultInit(Loc loc) |
| 0 | 272 { |
| 273 version (LOGDEFAULTINIT) { | |
| 274 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 275 } | |
| 276 // Initialize to first member of enum | |
| 277 //printf("%s\n", sym.defaultval.type.toChars()); | |
| 278 if (!sym.defaultval) | |
| 279 { | |
| 280 error(loc, "forward reference of %s.init", toChars()); | |
| 281 return new ErrorExp(); | |
| 282 } | |
| 283 return sym.defaultval; | |
| 284 } | |
| 285 | |
| 72 | 286 override bool isZeroInit(Loc loc) |
| 0 | 287 { |
| 288 if (!sym.defaultval) | |
| 289 { | |
| 290 debug writef("3: "); | |
| 291 error(loc, "enum %s is forward referenced", sym.toChars()); | |
| 292 return 0; | |
| 293 } | |
| 294 return sym.defaultval.isBool(false); | |
| 295 } | |
| 296 | |
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297 override MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) |
| 0 | 298 { |
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299 // Extra check |
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300 if (tparam && tparam.ty == Tenum) |
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301 { |
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302 TypeEnum tp = cast(TypeEnum)tparam; |
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303 |
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304 if (sym != tp.sym) |
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305 return MATCHnomatch; |
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306 } |
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307 return Type.deduceType(sc, tparam, parameters, dedtypes); |
| 0 | 308 } |
| 309 | |
| 72 | 310 override TypeInfoDeclaration getTypeInfoDeclaration() |
| 0 | 311 { |
| 312 return new TypeInfoEnumDeclaration(this); | |
| 313 } | |
| 314 | |
| 72 | 315 override bool hasPointers() |
| 0 | 316 { |
| 317 return toBasetype().hasPointers(); | |
| 318 } | |
| 319 | |
| 320 version (CPP_MANGLE) { | |
| 321 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 322 { | |
| 323 assert(false); | |
| 324 } | |
| 325 } | |
| 326 | |
| 72 | 327 override type* toCtype() |
| 0 | 328 { |
| 329 return sym.memtype.toCtype(); | |
| 330 } | |
| 72 | 331 } |